Home / 734,018,429.20-1,101,027,643.80-443,780,784.40

Finding the Fourth Proportional to 734,018,429.20, 1,101,027,643.80 and 443,780,784.40

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Solution

The fourth proportional to 734,018,429.20, 1,101,027,643.80 and 443,780,784.40 is: 665,671,176.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,018,429.20 : 1,101,027,643.80 = 443,780,784.40 : x
  2. Step 2: Convert to fraction form
    734,018,429.20/1,101,027,643.80 = 443,780,784.40/x
  3. Step 3: Cross multiply
    734,018,429.20x = 1,101,027,643.80 × 443,780,784.40
  4. Step 4: Simplify right side
    734,018,429.20x = 488,614,911,411,647,744
  5. Step 5: Solve for x
    x = 488,614,911,411,647,744/734,018,429.20
  6. Step 6: Final answer
    x = 665,671,176.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.